package com.blue.service.impl;

import com.blue.mapper.UserMapper;
import com.blue.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

@Service
public class UserServiceImpl implements UserDetailsService {
    @Autowired
    private UserMapper userMapper;

    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        User user = userMapper.selectUserByUsername(username);

        if (user == null) {
            throw new UsernameNotFoundException("用户不存在");
        }

        return user;
    }
}
